Calculator Express | We Develop Custom Web Calculators & Forms

We Build Custom Calculators for Your Website

Turn your spreadsheets into interactive calculators, lead forms, or quizzes—no coding needed. Ideal for boosting engagement, capturing leads, and delivering instant results to your users.

Custom-built from your spreadsheet
Integrates with CRMs (like Mailchimp, HubSpot, Salesforce, GHL)
Embeddable on any website (WordPress, Wix, Squarespace, etc.)
Send results to user email as PDF
Smart logic & real-time calculations
Fully responsive on mobile & desktop
Lead capture with form validation

How It Work?

Just share your spreadsheet and requirements. We’ll build a custom-designed calculator or form, fully tailored to your needs, and ready to embed on your website.

Discuss Your Project Requirements

Chat with us live or fill out our web form with your details. We’ll review your project and send you a quote with estimated time and cost.

Confirm Your Order

Approve the quote and place your order. We'll get started immediately.

Get Your Project Delivered

Receive your custom calculator in your preferred format: (1) WordPress Plugin (2) HTML Embed Code (compatible with Wix, Weebly, Squarespace, etc.)

Tweaks & Adjustments

Need changes? Our team will take care of revisions to ensure everything works perfectly on your website.

Technologies We Use

We use HTML / CSS for the frontend, and backend technologies that are fully compatible with all major CMS platforms—including WordPress, Wix, Weebly, Kajabi, Shopify, and more.

HTML / CSS / JS (Frontend)

Primarily used for building interactive, real-time interfaces—like calculators, forms, and quizzes—optimized for all devices.

MOST USED

PHP Frameworks (Backend)

Ideal for building custom calculators and forms. Runs on the backend, ensuring smooth operation regardless of your CMS.

MySQL Database (Backend)

Used for apps that need to store user data—like login forms, saved results, or gated content calculators.

Python (Backend)

Used for advanced applications like data scrapers and processing large datasets behind the scenes—fully CMS-independent.

APIs

We can integrate third-party APIs (e.g., Google Maps for distance, currency exchange, or finance APIs) to enhance your calculator’s capabilities.

WordPress Plugins

We create custom WordPress plugins with shortcode support for calculators and web forms, tailored to your specific requirements.

Supported Website Platforms

Easily embed interactive calculators into any website using our HTML embed code.
Fully compatible with WordPress, Wix, Webflow, Squarespace, Kajabi, Shopify, Weebly, GoHighLevel, ClickFunnels, Framer, Notion,
and many more.

We also offer custom WordPress plugins for calculators and apps—perfect for seamless integration on WordPress sites.

FAQS

Frequently Asked Questions

1. What if I’m not satisfied with the final result?

We offer a 100% money-back guarantee. If you're not happy with the final delivery, we’ll refund you—no questions asked.

2. Can you integrate the calculator with my CRM?

Yes! We can integrate with popular CRMs like Mailchimp, HubSpot, Salesforce, GoHighLevel, and more. Let us know your preferred platform and we’ll handle the rest.

3. Do you support API integrations?

Absolutely. We can connect your calculators or forms with third-party APIs like Google Maps, Currency Rates, Financial APIs, or any custom endpoint for advanced use cases.

4. Can I install the calculator on my WordPress site?

Yes! We can deliver your calculator as a WordPress plugin for easy installation. No coding required.

5. What if I’m not on WordPress?

No problem. We also provide an HTML embed code that works with platforms like Wix, Webflow, Squarespace, Shopify, Kajabi, and more.

6. How do I place an order?

You can start a live chat with us or submit your requirements through our contact form. After reviewing your request, we’ll send a custom quote with delivery time and cost.

7. What’s the average delivery time?

Most projects are delivered within 7 business days. Complex apps may take slightly longer—your quote will include a clear timeline.

8. Do you only build calculators?

Not at all! We also build:

Turn spreadsheets into interactive web calculators and forms
Custom forms (with file uploads, conditional logic, validations)
Lead capture tools that send results to email or CRM
Filterable data tables for comparing pricing, services, or datasets
Custom web apps with third-party APIs (e.g. gold rate calculator, shipping estimator, stock data fetchers)
Database-powered tools like searchable product lists, member directories, and gated content apps
Calculator + form combos that collect user input and generate downloadable PDFs

9. Can I request changes after delivery?

Yes, we offer free adjustments and tweaks to ensure your calculator or app works perfectly on your website.

Terms & Conditions

Refund Policy